LS842 SOIC 8L 2SK508-T1B-A LS3954A TO-71 6L 2SK514-T-A U402 TO-71 6L J270 SST174 SOT-23 3L 2N5639 LS844 SOT-23 3L PN4093 2SK1069-5-TL-E LS5912C SOT-23 6L 2N5460 U401 TO-71 6L NTE457 LS845 TO-71 6L NTE312 LSJ74C TO-92 3L NTE451 LSJ74A TO-92 3L